Product Description

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Item No. φD L L1 W M Tighten the strength(N.m)
SG7-11-30- 30 50 18.5 13 M3(4) 1.2
SG7-11-40- 40 66 25 16 M4(6) 2.7
SG7-11-55- 55 78 30 18 M5(4) 6
SG7-11-65- 65 90 35 20 M5(6) 6
SG7-11-80- 80 114 45 24 M6(8) 10
SG7-11-95- 95 126 50 26 M8(4) 35
SG7-11-105- 105 140 56 28 M8(4) 35

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Item No. Rated torque Maximum Torque Max Speed Inertia Moment N.m rad Tilting Tolerance End-play Weight:(g)
SG7-11-30- 7.4N.m 14.8N.m 20000prm 8.7×10-4kg.m² 510N.m/rad 1.0c +0.6mm 50
SG7-11-40- 9.5N.m 19N.m 15000prm 1.12×10-3kg.m² 550N.m/rad 1.0c +0.8mm 120
SG7-11-55- 34N.m 68N.m 13000prm 4.5×10-3kg.m² 1510N.m/rad 1.0c +0.8mm 280
SG7-11-65- 95N.m 190N.m 10500prm 9.1×10-3kg.m² 2800N.m/rad 1.0c +0.8mm 450
SG7-11-80- 135N.m 270N.m 8600prm 1.9×10-2kg.m² 3600N.m/rad 1.0c +1.0mm 960
SG7-11-95- 230N.m 460N.m 7500prm 2.2×10-2kg.m² 4700N.m/rad 1.0c +1.0mm 2310
SG7-11-105- 380N.m 760N.m 6000prm 3.3×10-2kg.m² 5800N.m/rad 1.0c +1.0mm 3090

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clamp coupling

Specific Safety Guidelines for Installing and Using Servo Couplings

Servo couplings are crucial components in motion control systems, and their installation and usage require adherence to specific safety guidelines to ensure safe operation and prevent accidents. Here are some essential safety considerations:

  1. Read the Manufacturer’s Instructions:

    Always read and follow the manufacturer’s installation and usage instructions for the specific servo coupling model. Each coupling may have unique requirements and limitations that need to be understood before installation.

  2. Inspect the Coupling:

    Prior to installation, inspect the servo coupling for any signs of damage or defects. Do not use a coupling that appears to be damaged, as it may compromise the overall performance and safety of the system.

  3. Proper Alignment:

    Ensure the correct alignment of the shafts before installing the servo coupling. Misalignment can cause excessive stress on the coupling and lead to premature failure.

  4. Secure Mounting:

    Ensure that the servo coupling is securely mounted to the shafts and other components. Use appropriate fasteners and follow torque specifications provided by the manufacturer.

  5. Use Safety Guards:

    In some applications, moving parts of the servo coupling may pose a risk of entanglement or pinch points. Consider using safety guards or covers to protect personnel from potential hazards.

  6. Stay within Load and Torque Ratings:

    Do not exceed the maximum load and torque ratings specified by the manufacturer. Overloading the servo coupling can lead to catastrophic failure.

  7. Regular Inspection and Maintenance:

    Perform regular inspections of the servo coupling and associated components. Check for wear, misalignment, and any other issues that may affect the coupling’s performance.

  8. Operating Environment:

    Consider the operating environment and choose a servo coupling material that can withstand the conditions, such as temperature, humidity, and exposure to chemicals.

  9. Electric Safety:

    If the servo coupling contains electrical components, follow electrical safety guidelines when installing and connecting these elements.

  10. Training and Awareness:

    Ensure that personnel involved in the installation, operation, and maintenance of the motion control system are adequately trained and aware of the safety guidelines and potential hazards.

Following these safety guidelines will help ensure the safe and efficient operation of the servo coupling and contribute to the overall safety of the motion control system and personnel involved.

clamp coupling

Maintenance Practices to Prolong the Life of Servo Couplings

Regular maintenance is essential to ensure the longevity and optimal performance of servo couplings. Here are some maintenance practices that should be followed:

  • Visual Inspection: Perform periodic visual inspections of the servo coupling to check for signs of wear, damage, or misalignment. Look for cracks, corrosion, or any other abnormalities that may affect the coupling’s performance.
  • Lubrication: If the servo coupling requires lubrication, follow the manufacturer’s recommendations for the appropriate lubricant type and interval. Proper lubrication helps reduce friction, wear, and heat generation, extending the coupling’s lifespan.
  • Torque Checks: Periodically check the torque of the coupling fasteners to ensure they are properly tightened. Loose fasteners can lead to misalignment and premature wear.
  • Alignment Verification: Verify the alignment of the servo coupling and correct any misalignments. Proper alignment ensures efficient power transmission and reduces unnecessary stress on the components.
  • Environmental Protection: Protect the servo coupling from environmental factors that can cause damage, such as dust, moisture, and chemicals. Consider using protective covers or seals if the application requires it.
  • Load Analysis: Regularly analyze the loads on the servo coupling to ensure it is operating within its rated capacity. Avoid subjecting the coupling to excessive loads that could lead to premature failure.
  • Operating Conditions: Monitor and maintain the operating conditions within the recommended parameters. High temperatures, excessive vibrations, or rapid temperature changes can adversely affect the coupling’s performance.
  • Replacement Schedule: Establish a replacement schedule based on the manufacturer’s recommendations and the servo coupling’s expected service life. Replace the coupling when it reaches the end of its useful life to prevent unexpected failures.
  • Proper Handling: Ensure proper handling during installation, maintenance, and removal. Avoid applying excessive force or shock that could damage the coupling.
  • Training: Provide training to maintenance personnel on the proper procedures for handling and maintaining the servo couplings. Properly trained staff can identify potential issues and take appropriate actions to prevent damage.

By adhering to these maintenance practices, servo couplings can operate at their best, providing reliable and efficient motion control while extending their service life.

clamp coupling

How to Choose the Right Servo Coupling for Specific Motion Control Applications

Choosing the right servo coupling is crucial for achieving optimal performance and reliability in motion control applications. Here are the key steps to help you select the most suitable servo coupling for your specific application:

  1. Identify Application Requirements: Start by understanding the specific requirements of your motion control application. Consider factors such as torque and speed requirements, misalignment compensation needed, environmental conditions, and the level of precision and repeatability required.
  2. Consider Torque Capacity: Determine the maximum torque that the servo coupling needs to transmit. Choose a coupling with a torque capacity that exceeds the peak torque in your application to ensure safety and prevent premature failure.
  3. Evaluate Misalignment Compensation: Assess the type and amount of misalignment that may occur between the servo motor and the driven load. Different coupling types offer varying degrees of misalignment compensation, such as angular, axial, and parallel misalignment. Select a coupling that can accommodate the expected misalignments to prevent excessive loads on the motor and bearings.
  4. Examine Speed and Precision: Consider the speed at which the application will operate and the required level of precision. High-speed applications may require couplings with low inertia and high torsional stiffness to minimize vibration and ensure accurate motion control.
  5. Review Backlash and Torsional Stiffness: Backlash can impact motion accuracy, especially in reversing applications. Look for couplings with low backlash to maintain precise bidirectional control. Additionally, evaluate the torsional stiffness of the coupling to ensure efficient power transmission and response.
  6. Check Environmental Compatibility: Consider the operating environment, including temperature, humidity, and exposure to chemicals or contaminants. Choose a servo coupling made from materials that can withstand the specific environmental conditions without compromising performance or lifespan.
  7. Assess Installation and Maintenance: Evaluate the ease of installation and any maintenance requirements of the coupling. Some couplings may require periodic lubrication or replacement of elastomeric elements. Opt for a coupling that is easy to install and maintain to minimize downtime and servicing costs.
  8. Seek Expert Advice: If you are unsure about the best servo coupling for your application, consult with experts or engineers experienced in motion control systems. They can provide valuable insights and recommend suitable couplings based on your specific needs.

By carefully considering these factors and following the steps outlined above, you can choose the right servo coupling that matches your motion control application’s requirements. A well-chosen coupling will ensure smooth and accurate motion, improve system performance, and extend the lifespan of your servo motor and driven load.

China supplier Sg7-11 Flexible Jaw Type Coupling Servo Motor Shaft Coupling  China supplier Sg7-11 Flexible Jaw Type Coupling Servo Motor Shaft Coupling
editor by CX 2024-04-24